Advisory Details

October 11th, 2023

Siemens Tecnomatix Plant Simulation PAR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-23-1556
ZDI-CAN-21138

CVE ID CVE-2023-37247
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Siemens
AFFECTED PRODUCTS Tecnomatix Plant Simulation
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens Tecnomatix Plant Simulation. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of PAR files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS Siemens has issued an update to correct this vulnerability. More details can be found at:
https://cert-portal.siemens.com/productcert/html/ssa-764801.html
DISCLOSURE TIMELINE
  • 2023-06-09 - Vulnerability reported to vendor
  • 2023-10-11 - Coordinated public release of advisory
CREDIT Anonymous
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